If the probability of a defective computer chip is 0.85 and you randomly sample 20 chips, what is the probability that at least 19 computer chips will be
defective?
0.0388
0.1756
0.2345
0.8244

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics

Which number line correctly shows 0.8 + 0.3?

Which of the following graphs could represent a quartic function?